WASHINGTON, March 2 : Three more U.S. cabinet-level agencies, the departments of State, Treasury and Health and Human Services, moved to cease use of Anthropic's AI products on Monday, joining the Pentagon in switching to rivals such as OpenAI under a new White House directive. The federal government's widening boycott of Anthropic and its language-trained chatbot platform Claude marked a rebuke by Washington to a leading company that had kept the United States at the forefront of national